diff --git a/plugins/search-backend/config.d.ts b/plugins/search-backend/config.d.ts
index 3dbdf78dfe..25ae59d273 100644
--- a/plugins/search-backend/config.d.ts
+++ b/plugins/search-backend/config.d.ts
@@ -22,6 +22,11 @@ export interface Config {
      */
     maxPageLimit?: number;
 
+    /**
+     * Sets the maximum term length for the search string. Defaults to 100.
+     */
+    maxTermLength?: number;
+
     /**
      * Options related to the search integration with the Backstage permissions system
      */